Acer V3-551 and 551G Notebook Service Guide
Page 55
... not contain power to update the system BIOS Flash ROM. See Creating a USB Flash Crisis Disk on page 2-24. • Do not install memory related drivers (XMS, EMS, DPMI) when BIOS Flash is used • Use an AC adaptor power supply when running BIOS Flash utility. BIOS Flash may be performed...
... not contain power to update the system BIOS Flash ROM. See Creating a USB Flash Crisis Disk on page 2-24. • Do not install memory related drivers (XMS, EMS, DPMI) when BIOS Flash is used • Use an AC adaptor power supply when running BIOS Flash utility. BIOS Flash may be performed...
Acer V3-551 and 551G Notebook Service Guide
Page 79
Abnormal Video If the video appears abnormal, perform the following: 1. Readjust if necessary. 4. Remove and reinstall the video driver. 6. There are no red Xs or yellow exclamation marks • There are no device conflicts • No hardware is faulty and should be replaced. 3. ... resolved, refer to Maintenance Flowchart on page 8-2. Check the Device Manager to its highest level. Reseat the memory modules. 12. Roll back the video driver to the User Manual for instructions on the screen), the LCD is still not resolved, refer to the desired resolution. • Click Apply and check...
Abnormal Video If the video appears abnormal, perform the following: 1. Readjust if necessary. 4. Remove and reinstall the video driver. 6. There are no red Xs or yellow exclamation marks • There are no device conflicts • No hardware is faulty and should be replaced. 3. ... resolved, refer to Maintenance Flowchart on page 8-2. Check the Device Manager to its highest level. Reseat the memory modules. 12. Roll back the video driver to the User Manual for instructions on the screen), the LCD is still not resolved, refer to the desired resolution. • Click Apply and check...
Acer V3-551 and 551G Notebook Service Guide
Page 83
... is listed under Other Devices 3. Navigate to M/B Check Logic lower OK Swap M/B NG Swap Logic lower Figure 4:6. Boot the computer. 2. Remove and reinstall the audio driver. 5. Internal Speaker Failure If the internal speakers fail, perform the following : 1. Internal Speaker Failure Sound Problems 0 Perform the following : Start OK Check M/B SPK cable NG... mid range: • Click the volume icon on the taskbar • Drag the slider to the previous version. 4. If updated recently, roll back the audio driver to 50.
... is listed under Other Devices 3. Navigate to M/B Check Logic lower OK Swap M/B NG Swap Logic lower Figure 4:6. Boot the computer. 2. Remove and reinstall the audio driver. 5. Internal Speaker Failure If the internal speakers fail, perform the following : 1. Internal Speaker Failure Sound Problems 0 Perform the following : Start OK Check M/B SPK cable NG... mid range: • Click the volume icon on the taskbar • Drag the slider to the previous version. 4. If updated recently, roll back the audio driver to 50.